Manitowoc IT1900 Manuale utente

Clean and sanitize ice machine Monthly BE 13 M1

©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 1 of 4

Manitowoc Ice

Machine Indigo®NXT Models

Monthly

BE 13 M1

Why

To break the bacteria cycle

Time required

10 minutes to prepare

90 minutes to complete

Time of day

At close

For 24-hour restaurants: during low-volume periods at

night

Hazard icons

Tools and supplies

Measuring Cup

Bucket, clean towels

Bucket, soiled towels

Ice scoop

McD KL Delimer

McD DR Sanitizer

Multi Surface

Glass Cleaner

Screwdriver, Phillips

Kay Delimer

Kay 5 Sanitizer

Procedure

Remove front panel.

Use a Phillips screwdriver to

loosen the two screws secur-

ing the door. Do not remove

screws completely; they are

secured to prevent loss.

Turn ice machine off.

After ice has fallen from the

evaporator, turn the machine

OFF.

Empty ice bin.

Use an ice scoop to remove

all ice from the storage bin or

dispenser. Discard the ice.

If you are cleaning the ice

machine in the production

area, store the ice in the

freezer for use if needed.

Clean and sanitize ice machine (continued)

©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 2 of 4

Manitowoc Ice

Machine Models Indigo®NXT

Monthly

BE 13 M1

Prepare DeLimer solution.

Follow label instructions to

prepare the correct amount of

delimer.

For models:

IF300, IT420, IT520, IT620

Kay Delimer - Mix 2 packets

with 1 liter of warm water

McD KL - Measure 120 ml

IT1200, IF1400, IT1500,

IF1800C, IT1900, IF2100C

Kay Delimer - Mix 5 packets

with 1 liter of warm water

McD KL - Measure 290 ml

For all other models

Kay Delimer - Mix 4 packets

with 1 liter of water

McD KL - Measure 200 ml

*Amounts vary by ice machine size

due to amount of water being held in

the water trough of each machine.

Larger machines hold more water.

Concentration should remain the

same.

DeLimer

Press CLEAN switch.

Push the clean button then

select “Turn off when

complete” to start the

cleaning process.

Delime evaporator and water

circulation system.

Wait for approximately 3

minutes until “Please add

chemicals and confirm” is

displayed, then pour the pre-

mixed solution into the water

trough and press “Chemicals

added”.

Allow clean cycle to run.

The ice machine will auto-

matically run through a wash

cycle and several rinse cycles.

The entire cycle lasts

approximately 30 minutes.

Turn off power to the ice

machine.

Do not begin cleaning other

parts of the ice machine until

it is unplugged or

breaker/disconnect is turned

off.

Remove water curtain.

Gently flex the curtain in the

center and remove it from the

right side. Slide the left pin

out.

Remove the ice thickness

probe.

Compress the hinge pin on

the top of the ice thickness

probe.

Pivot the ice thickness probe

to disengage one pin then the

other. The ice thickness probe

can be cleaned at this point

without complete removal. If

complete removal is desired,

disconnect the ice thickness

control wiring from the

control board.

Clean and sanitize ice machine (continued)

©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 3 of 4

Manitowoc Ice

Machine Models Indigo®NXT

Monthly

BE 13 M1

Remove the water distribution

tube.

Loosen the two outer screws

(do not remove screws

completely; they are retained

to prevent loss). Pull forward

on the distribution tube to

release from slip joint.

Disassemble the distribution

tube by loosening the two (2)

middle thumbscrews and

dividing the distribution tube

into two pieces.

Remove the water trough.

Depress tabs on right and left

side of the water trough.

Allow front of water trough to

drop as you pull forward to

disengage the rear pins.

Remove the water pump.

Grasp pump and pull straight

down on pump assembly until

it disengages and the

electrical connector is visible.

Disconnect the electrical con-

nector. Remove the water

pump assembly from ice

machine.

Remove the water level probe.

Pull the water level probe

straight down to disengage.

Lower the water level probe

until the wiring connector is

visible.

Disconnect the wire lead from

the water level probe.

Remove the water level probe

from the ice machine.

DeLime plastic parts.

Mix the correct amount of

delimer with 4 gallons

(15 liters) of warm water in a

three-compartment sink.

Kay Delimer - 4 packets

McD KL - 150 ml

Place the plastic parts in the

solution and soak for 10-15

minutes.

Only soak the water pump up

to the O-ring.

Do not submerge the motor

section.

Clean surface areas of ice

machine.

Use a clean towel soaked in

delimer solution to wipe ice

machine surfaces, including

the sides, walls and base (area

above water trough).

Rinse and sanitize plastic

parts.

Prepare Sanitizer and warm

water in a three-compartment

sink.

Kay 5 - Mix 2 packets with 5

gallons (19 liters) water.

McD DR - Add 19 liters (5

gallons)

Remove plastic parts from

delimer solution & rinse in

clean water. Place the plastic

parts in the sanitizer solution

and soak for at least one

minute.

Only soak the water pump up

to the O-ring.

Do not submerge the motor

section.

Clean and sanitize ice machine (continued)

©McDonald’s Corporation · Planned Maintenance Manual · Revised February 2019 Page 4 of 4

Manitowoc Ice

Machine Models Indigo®NXT

Monthly

BE 13 M1

Sanitize surface areas of ice

machine.

Use a clean sanitizer soaked

towel to sanitize ice machine

surfaces, including the side

walls, base (area above water

trough), and the bin or

dispenser. Rinse with a clean

water soaked towel.

Reinstall plastic evaporator

parts.

Return the parts to the ice

machine and reassemble.

(Perform Steps 14 to 9 in

reverse order).

Restore power to the ice

machine.

Turn power on at the breaker

or electrical disconnect.

Prepare Sanitizer.

Prepare the correct amount of

sanitizer.

IF300, IT420, IT520, IT620

Kay 5 - Mix 1 packet with 1

liter of water.

McD DR - Measure 25 ml

IT1200, IF1400C, IT1500,

IF1800C, IT1900, IF2100C

Kay 5 - Mix 3 packets with 1

liter of water

McD DR - Measure 60 ml

For all other models

Kay 5 - Mix 2 packets with 1

liter of water

McD DR - Measure 40 ml

*Amounts vary by ice machine size

due to amount of water being held in

the water troughs of each machine.

Larger machines hold more water.

Concentration should remain the

same.

Sanitizer

Press CLEAN switch.

Push the clean button then

select “Turn on when

complete”.

sanitize cycle.

Check box to return to ON

(start ice making) at the

completion of sanitizing.

Sanitize evaporator and water

circulation system.

Wait for approximately 3

minutes until “Please add

chemicals” is displayed, then

pour the sanitizer solution

into the water trough and

press “Chemicals added”.

Reinstall front panels and

tighten screws.

Clean and sanitize bin.

Clean ice bin by wiping

interior with a clean delimer

soaked towel.

Rinse interior by wiping with

a clean water soaked towel.

Sanitize interior by wiping

with a clean sanitizer-soaked

towel.

Rinse interior by wiping with

a clean water soaked towel.

Use Glass and Multi-Surface

Cleaner to clean the exterior

of the bin and ice machine.

Note: When a dispenser is

used, refer to dispenser

disassembly, cleaning and

sanitizing procedures.

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